P0120Wysoki
Obwód czujnika pozycji przepustnicy (TPS) — usterka
Układ napędowy
Sprawdź szczegóły →P1545
WysokiThrottle Actuator Control System Malfunction – incorrect operation of the electronic throttle control system (throttle actuator: malfunction).
Code P1545 indicates a problem with the electronic throttle control system. If the check engine light is on and the car has limited power or runs rough at idle, the cause is most likely a dirty or damaged throttle body. For an accurate diagnosis, it is worth performing a professional code read and checking live data.
Symptoms
Increased idle speed. Bucking at load change. Lack of power, no response to accelerator pedal. Malfunction Indicator Lamp (MIL) on. Vehicle enters limp-in mode.
Possible causes
Dirty or stuck throttle body (carbon deposits, buildup). Damaged or corroded wiring/connectors of the throttle actuator. Throttle Valve Controller failure. Throttle position sensor (potentiometer) damage.
Affected systems
układ sterowania silnikiemukład przepustnicy (elektroniczna przepustnica – E-Gas)układ paliwowo-powietrzny
Related codes
P0638Wysoki
Sterowanie przepustnicą — zakres/sprawność (VAG EPC)
Układ napędowy
Sprawdź szczegóły →Manufacturer variants
Manufacturer variants (extensions):
Code P1545 appears in these brands
Go to messages and symptoms for your brand — there we analyze this code together with other typical alerts.
Does code P1545 require professional diagnostics?
The code alone is not enough. To find the cause, you need to read live data, check freeze frame conditions, and compare with vehicle behavior. Book a diagnostic session.